Home / 7,117.36-10,666.00-3,365.13

Finding the Fourth Proportional to 7,117.36, 10,666.00 and 3,365.13

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Solution

The fourth proportional to 7,117.36, 10,666.00 and 3,365.13 is: 5,042.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,117.36 : 10,666.00 = 3,365.13 : x
  2. Step 2: Convert to fraction form
    7,117.36/10,666.00 = 3,365.13/x
  3. Step 3: Cross multiply
    7,117.36x = 10,666.00 × 3,365.13
  4. Step 4: Simplify right side
    7,117.36x = 35,892,520.78
  5. Step 5: Solve for x
    x = 35,892,520.78/7,117.36
  6. Step 6: Final answer
    x = 5,042.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.